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53 lines
1.7 KiB
53 lines
1.7 KiB
-- Test zbase32 encoding/decoding
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context("Base32 encodning", function()
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local ffi = require("ffi")
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ffi.cdef[[
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void ottery_rand_bytes(void *buf, size_t n);
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unsigned ottery_rand_unsigned(void);
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unsigned char* rspamd_decode_base32 (const char *in, size_t inlen, size_t *outlen, int how);
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char * rspamd_encode_base32 (const unsigned char *in, size_t inlen, int how);
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void g_free(void *ptr);
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int memcmp(const void *a1, const void *a2, size_t len);
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]]
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local function random_buf(max_size)
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local l = ffi.C.ottery_rand_unsigned() % max_size + 1
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local buf = ffi.new("unsigned char[?]", l)
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ffi.C.ottery_rand_bytes(buf, l)
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return buf, l
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end
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test("Base32 encode test", function()
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local cases = {
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{'test123', 'wm3g84fg13cy'},
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{'hello', 'em3ags7p'}
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}
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for _,c in ipairs(cases) do
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local b = ffi.C.rspamd_encode_base32(c[1], #c[1], 0)
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local s = ffi.string(b)
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ffi.C.g_free(b)
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assert_equal(s, c[2], s .. " not equal " .. c[2])
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end
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end)
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test("Base32 fuzz test: zbase32", function()
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for i = 1,1000 do
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local b, l = random_buf(4096)
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local how = math.floor(math.random(3) - 1)
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local ben = ffi.C.rspamd_encode_base32(b, l, how)
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local bs = ffi.string(ben)
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local nl = ffi.new("size_t [1]")
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local nb = ffi.C.rspamd_decode_base32(bs, #bs, nl, how)
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assert_equal(tonumber(nl[0]), l,
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string.format("invalid size reported: %d reported vs %d expected", tonumber(nl[0]), l))
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local cmp = ffi.C.memcmp(b, nb, l)
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ffi.C.g_free(ben)
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ffi.C.g_free(nb)
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assert_equal(cmp, 0, "fuzz test failed for length: " .. tostring(l))
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end
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end)
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end)
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